Double seals in the M74D series have the same design-features as the “M7“ family of single seals (easy-to-replace seal faces, etc.). Apart from the installation length of the drive collar, all fittingdimensions (d1 <100 mm) conform with EN 12756.
Application
Date
Operation limits:
shaft size: 18-200mm
Temperature: -20°C~+180°C
Pressure: ≤1.6MPa
Speed: ≤20m/s
Materials
Burgmann type M7N Multi-Spring mechanical Seals Material